IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-20. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% Alleluia (Ps 148-149-150)Alleluia (Ps 148-149-150)
  2. 🔍 61% AlleluiaAlleluia
  3. 🔍 61% Alleluia (mode 8)Alleluia (mode 8)
  4. 🔍 61% Alleluia (Dom. Tert.)Alleluia (Dom. Tert.)
  5. 🔍 60% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 58% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  7. 🔍 58% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 57% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  9. 🔍 57% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  10. 🔍 57% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 56% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  12. 🔍 56% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  13. 🔍 55% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  14. 🔍 54% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 54% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 54% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  17. 🔍 53% Alleluia alleluiaAlleluia alleluia
  18. 🔍 52% Alleluia (Ant. cantica ad Vigilas Dom. per annum)Alleluia (Ant. cantica ad Vigilas Dom. per annum)
  19. 🔍 51% AlleluiaAlleluia
  20. 🔍 51% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  21. 🔍 50% Alleluia Lapis revolutusAlleluia Lapis revolutus
  22. 🔍 50% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  23. 🔍 50% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  24. 🔍 49% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  25. 🔍 49% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  26. 🔍 49% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  27. 🔍 49% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  28. 🔍 48% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  29. 🔍 48% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  30. 🔍 48% Alleluia (Dom. Prim.)Alleluia (Dom. Prim.)
  31. 🔍 48% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  32. 🔍 48% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  33. 🔍 48% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  34. 🔍 48% Alleluia (Dom. Sext.)Alleluia (Dom. Sext.)
  35. 🔍 48% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  36. 🔍 48% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  37. 🔍 48% Puer natus in BethlehemPuer natus in Bethlehem
  38. 🔍 48% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  39. 🔍 48% Alleluia Omnes GentesAlleluia Omnes Gentes
  40. 🔍 47% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  41. 🔍 47% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  42. 🔍 47% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  43. 🔍 47% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  44. 🔍 47% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  45. 🔍 46% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  46. 🔍 46% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  47. 🔍 46% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  48. 🔍 46% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  49. 🔍 46% Alleluia. Dom. LaudAlleluia. Dom. Laud
  50. 🔍 46% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  51. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  52. 🔍 46% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  53. 🔍 45% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  54. 🔍 45% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  55. 🔍 45% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  56. 🔍 45% Omnes GentesOmnes Gentes
  57. 🔍 45% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 45% AlleluiaAlleluia
  59. 🔍 45% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  60. 🔍 44% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  61. 🔍 44% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  62. 🔍 44% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  63. 🔍 44% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  64. 🔍 44% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  65. 🔍 44% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)